l menthol/dyspnea

BACKGROUND Inhalation of l-menthol inhibits cough and has been shown to reduce respiratory discomfort associated with loaded breathing. We investigated the effect of the inhalation of a 1% l-menthol solution in the premedication of fiberoptic bronchoscopy (FB) on the frequency of cough and the

BACKGROUND Menthol (l-menthol) is a naturally-occurring cold receptor agonist commonly used to provide symptomatic relief for upper airway congestion. Menthol can also reduce the sensation of dyspnea. It is unclear whether the physiological action of menthol in dyspnea reduction is through its cold